Final answer:
Before the creation of Responsible Government, the Act of the Union structure in the Province of Canada was characterized by the Governor having more power in the Executive Council and Legislative Council, with the ability to appoint members to these councils. The Legislative Assembly did not have direct involvement in the selection of council members. The correct option is a.
Step-by-step explanation:
The Act of the Union structure in the Province of Canada before the creation of Responsible Government was characterized by the Governor having more power in the Executive Council and Legislative Council.
The Governor had the authority to appoint members to these councils, giving them control over the decision-making process. This structure limited the influence and representation of the Legislative Assembly, which was not directly involved in the selection of council members.
Hence, Option a is correct.